X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=doc%2Fcoding.sgml;h=dc07c091a33647b175a6b312ef0c162dc6df41b9;hb=3d9ac21b806b76fb134c53fad5aca83191917c75;hp=f6dfc3a357c891fb15c12af445d2c19d146542b9;hpb=a8d3b83c43e79702a41b0049d65ea51e62dacf09;p=cc65

diff --git a/doc/coding.sgml b/doc/coding.sgml
index f6dfc3a35..dc07c091a 100644
--- a/doc/coding.sgml
+++ b/doc/coding.sgml
@@ -3,7 +3,6 @@
 <article>
 <title>cc65 coding hints
 <author><url url="mailto:uz@cc65.org" name="Ullrich von Bassewitz">
-<date>2000-12-03, 2009-09-01
 
 <abstract>
 How to generate the most effective code with cc65.
@@ -128,17 +127,17 @@ and predecrement operators if you don't need the resulting value. That means,
 use
 
 <tscreen><verb>
-       	...
-       	++i;
-       	...
+        ...
+        ++i;
+        ...
 </verb></tscreen>
 
     instead of
 
 <tscreen><verb>
-	...
-	i++;
-	...
+        ...
+        i++;
+        ...
 </verb></tscreen>
 
 
@@ -149,24 +148,24 @@ The compiler produces optimized code, if the value of a pointer is a constant.
 So, to access direct memory locations, use
 
 <tscreen><verb>
-    	#define VDC_STATUS 0xD601
-    	*(char*)VDC_STATUS = 0x01;
+        #define VDC_STATUS 0xD601
+        *(char*)VDC_STATUS = 0x01;
 </verb></tscreen>
 
 That will be translated to
 
 <tscreen><verb>
-	lda	#$01
-	sta	$D601
+        lda     #$01
+        sta     $D601
 </verb></tscreen>
 
 The constant value detection works also for struct pointers and arrays, if the
 subscript is a constant. So
 
 <tscreen><verb>
-	#define VDC    	((unsigned char*)0xD600)
-	#define STATUS	0x01
-       	VDC[STATUS] = 0x01;
+        #define VDC     ((unsigned char*)0xD600)
+        #define STATUS  0x01
+        VDC[STATUS] = 0x01;
 </verb></tscreen>
 
 will also work.
@@ -183,14 +182,14 @@ Initialization of local variables when declaring them gives shorter and faster
 code. So, use
 
 <tscreen><verb>
-	int i = 1;
+        int i = 1;
 </verb></tscreen>
 
 instead of
 
 <tscreen><verb>
-	int i;
-	i = 1;
+        int i;
+        i = 1;
 </verb></tscreen>
 
 But beware: To maximize your savings, don't mix uninitialized and initialized
@@ -202,18 +201,18 @@ variables, you force the compiler to allocate space for the uninitialized
 variables each time, it parses an initialized one. So do this:
 
 <tscreen><verb>
-	int i, j;
-	int a = 3;
-	int b = 0;
+        int i, j;
+        int a = 3;
+        int b = 0;
 </verb></tscreen>
 
 instead of
 
 <tscreen><verb>
-	int i;
-	int a = 3;
-	int j;
-	int b = 0;
+        int i;
+        int a = 3;
+        int j;
+        int b = 0;
 </verb></tscreen>
 
 The latter will work, but will create larger and slower code.
@@ -229,17 +228,17 @@ common cases.
 Don't use
 
 <tscreen><verb>
-	char* a;
-	char b, c;
-	char b = *(a + c);
+        char* a;
+        char b, c;
+        char b = *(a + c);
 </verb></tscreen>
 
 Use
 
 <tscreen><verb>
-	char* a;
-	char b, c;
-	char b = a[c];
+        char* a;
+        char b, c;
+        char b = a[c];
 </verb></tscreen>
 
 instead.